Description
**Date:** May 20, 2026
**Location:** São Paulo, SP
**Company:** B3 S.A. – Brasil, Bolsa, Balcão
**Position: ANL ENG SOFTWARE III**
**About the Opportunity**
**Position:** Senior Java Developer
**Location:** São Paulo/SP
**Publication Date:** 03/20/26
**Your Day-to-Day Responsibilities**
* Actively participate in the entire software development lifecycle for Fixed Income systems: requirements gathering, analysis, architectural design, development, support, and testing — both for new features and defect fixes.
**Team Responsibilities**
The team is responsible for B3’s Equity Trading systems — i.e., systems that match buy and sell orders across both market segments — and thus are considered among the most critical systems in the Brazilian financial market. In the Equity segment, the management unit oversees systems for trading equities (e.g., Magazine Luiza, Vale, Petrobras) and derivatives (e.g., currencies, coffee, live cattle, indices, futures contracts).
**What We Expect From You**
* Advanced Java proficiency, with possible experience in C/C\+\+; knowledge of memory and object allocation within the JVM (Java Virtual Machine) for application optimization;
* Advanced knowledge of algorithms and data structures;
* Familiarity with programming concepts and techniques (e.g., multithreaded applications, concurrency, memory management);
* Algorithmic complexity;
* Object-oriented programming;
* SQL/JDBC (Oracle);
* JUnit; Linux OS.
**Nice-to-Have Qualifications**
* Development experience for distributed, real-time, large-scale systems;
* Knowledge of high-performance logging, collections, and queueing libraries (e.g., Disruptor);
* Knowledge of Middleware/Messaging Systems (e.g., JMS, Tibco, MQ, ZeroMQ);
* Financial industry protocols (e.g., FIX) or binary protocols.
**Benefits**
* **Profit and Results Sharing Program** (PLR)
* **Bradesco Health and Dental Insurance**
* **Meal Allowance** (R$ 600/month)
* **Food Voucher** (R$ 50 per business day)
* **Transportation Voucher** and partial reimbursement for shuttle services
* **Private Pension Plan**
* **Extended Maternity Leave** (up to 180 days) and extended paternity leave
* **Childcare/Babysitter Assistance**
* **Wellhub** (Gympass) and **TotalPass**, extendable to dependents
* **Advantage Club** offering discounts across hundreds of companies
* **Hybrid Work Model** and flexible dress code (“Dress as you are!”)
* **Alura** online learning platform
* **Wellness Programs:** personal support, workplace gymnastics, birthday day off, free museum entry, quick massage, and more
* **Funeral Assistance** for you and your pet
**Recognition**
* **Top Employer Brazil** (2020\-2025\)
* **Best Companies to Work For** (Financial Institutions, Information Technology, São Paulo, Women, Ethnic-Racial, LGBTI\+)
* Awards reinforcing our commitment to diversity, inclusion, and excellence
**Join Us in Building the Future with B3!**
We are much more than Brazil’s stock exchange. We are a global reference in financial market infrastructure, with over 100 years of history and direct impact on the country’s sustainable economic development. Here, you’ll find a plural, innovative, and collaborative environment where every individual is the protagonist of their own journey.
**Want to join a team that connects markets, accelerates careers, and transforms lives? Then this opportunity is for you!**